Lightning loves to pull his kicksled. Until this point, he has run solo. Now he has begun to share the fun with his five-month old brother Nimbus. Lightning is a great teacher, and Nimbus seems to love this sport already.

This image was taken on Christmas Eve when the boys ran a mile together near Crater Lake National Park in Oregon. Lightning went on for another five miles. Nimbus was led back to the car to be played with until the return of his mentor.

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